/*
* If CREATE/SET, add new options to array; if RESET, just check that the
* user didn't say RESET (option=val). (Must do this because the grammar
* doesn't enforce it.)
*/
foreach(cell, defList)
{
DefElem *def = (DefElem *) lfirst(cell);
if (isReset)
{
if (def->arg != NULL)
ereport(ERROR,
(errcode(ERRCODE_SYNTAX_ERROR),
errmsg("RESET must not include values for parameters")));
}
else
{
text *t;
const char *value;
Size len;
/*
* Error out if the namespace is not valid. A NULL namespace is
* always valid.
*/
if (def->defnamespace != NULL)
{
bool valid = false;
int i;
if (validnsps)
{
for (i = 0; validnsps[i]; i++)
{
if (pg_strcasecmp(def->defnamespace,
validnsps[i]) == 0)
{
valid = true;
break;
}
}
}
if (!valid)
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("unrecognized parameter namespace \"%s\"",
def->defnamespace)));
}
if (ignoreOids && pg_strcasecmp(def->defname, "oids") == 0)
continue;
/* ignore if not in the same namespace */
if (namspace == NULL)
{
if (def->defnamespace != NULL)
continue;
}
else if (def->defnamespace == NULL)
continue;
else if (pg_strcasecmp(def->defnamespace, namspace) != 0)
continue;
/*
* Flatten the DefElem into a text string like "name=arg". If we
* have just "name", assume "name=true" is meant. Note: the
* namespace is not output.
*/
if (def->arg != NULL)
value = defGetString(def);
else
value = "true";
len = VARHDRSZ + strlen(def->defname) + 1 + strlen(value);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", def->defname, value);
astate = accumArrayResult(astate, PointerGetDatum(t),
false, TEXTOID,
CurrentMemoryContext);
}
}
/*
* Transform a relation options list (list of DefElem) into the text array
* format that is kept in pg_class.reloptions, including only those options
* that are in the passed namespace. The output values do not include the
* namespace.
*
* This is used for three cases: CREATE TABLE/INDEX, ALTER TABLE SET, and
* ALTER TABLE RESET. In the ALTER cases, oldOptions is the existing
* reloptions value (possibly NULL), and we replace or remove entries
* as needed.
*
* If ignoreOids is true, then we should ignore any occurrence of "oids"
* in the list (it will be or has been handled by interpretOidsOption()).
*
* Note that this is not responsible for determining whether the options
* are valid, but it does check that namespaces for all the options given are
* listed in validnsps. The NULL namespace is always valid and need not be
* explicitly listed. Passing a NULL pointer means that only the NULL
* namespace is valid.
*
* Both oldOptions and the result are text arrays (or NULL for "default"),
* but we declare them as Datums to avoid including array.h in reloptions.h.
*/
Datum
transformRelOptions(Datum oldOptions, List *defList, char *namspace,
char *validnsps[], bool ignoreOids, bool isReset)
{
Datum result;
ArrayBuildState *astate;
ListCell *cell;
/* no change if empty list */
if (defList == NIL)
return oldOptions;
/* We build new array using accumArrayResult */
astate = NULL;
/* Copy any oldOptions that aren't to be replaced */
if (PointerIsValid(DatumGetPointer(oldOptions)))
{
ArrayType *array = DatumGetArrayTypeP(oldOptions);
Datum *oldoptions;
int noldoptions;
int i;
deconstruct_array(array, TEXTOID, -1, false, 'i',
&oldoptions, NULL, &noldoptions);
for (i = 0; i < noldoptions; i++)
{
text *oldoption = DatumGetTextP(oldoptions[i]);
char *text_str = VARDATA(oldoption);
int text_len = VARSIZE(oldoption) - VARHDRSZ;
/* Search for a match in defList */
foreach(cell, defList)
{
DefElem *def = (DefElem *) lfirst(cell);
int kw_len;
/* ignore if not in the same namespace */
if (namspace == NULL)
{
if (def->defnamespace != NULL)
continue;
}
else if (def->defnamespace == NULL)
continue;
else if (pg_strcasecmp(def->defnamespace, namspace) != 0)
continue;
kw_len = strlen(def->defname);
if (text_len > kw_len && text_str[kw_len] == '=' &&
pg_strncasecmp(text_str, def->defname, kw_len) == 0)
break;
}
if (!cell)
{
/* No match, so keep old option */
astate = accumArrayResult(astate, oldoptions[i],
false, TEXTOID,
CurrentMemoryContext);
}
}
}
/*-----------------------------------------------------------------------------
* array_positions :
* return an array of positions of a value in an array.
*
* IS NOT DISTINCT FROM semantics are used for comparisons. Returns NULL when
* the input array is NULL. When the value is not found in the array, returns
* an empty array.
*
* This is not strict so we have to test for null inputs explicitly.
*-----------------------------------------------------------------------------
*/
Datum
array_positions(PG_FUNCTION_ARGS)
{
ArrayType *array;
Oid collation = PG_GET_COLLATION();
Oid element_type;
Datum searched_element,
value;
bool isnull;
int position;
TypeCacheEntry *typentry;
ArrayMetaState *my_extra;
bool null_search;
ArrayIterator array_iterator;
ArrayBuildState *astate = NULL;
if (PG_ARGISNULL(0))
PG_RETURN_NULL();
array = PG_GETARG_ARRAYTYPE_P(0);
element_type = ARR_ELEMTYPE(array);
position = (ARR_LBOUND(array))[0] - 1;
/*
* We refuse to search for elements in multi-dimensional arrays, since we
* have no good way to report the element's location in the array.
*/
if (ARR_NDIM(array) > 1)
ereport(ERROR,
(errcode(ERRCODE_FEATURE_NOT_SUPPORTED),
errmsg("searching for elements in multidimensional arrays is not supported")));
astate = initArrayResult(INT4OID, CurrentMemoryContext, false);
if (PG_ARGISNULL(1))
{
/* fast return when the array doesn't have nulls */
if (!array_contains_nulls(array))
PG_RETURN_DATUM(makeArrayResult(astate, CurrentMemoryContext));
searched_element = (Datum) 0;
null_search = true;
}
else
{
searched_element = PG_GETARG_DATUM(1);
null_search = false;
}
/*
* We arrange to look up type info for array_create_iterator only once per
* series of calls, assuming the element type doesn't change underneath
* us.
*/
my_extra = (ArrayMetaState *) fcinfo->flinfo->fn_extra;
if (my_extra == NULL)
{
fcinfo->flinfo->fn_extra = MemoryContextAlloc(fcinfo->flinfo->fn_mcxt,
sizeof(ArrayMetaState));
my_extra = (ArrayMetaState *) fcinfo->flinfo->fn_extra;
my_extra->element_type = ~element_type;
}
if (my_extra->element_type != element_type)
{
get_typlenbyvalalign(element_type,
&my_extra->typlen,
&my_extra->typbyval,
&my_extra->typalign);
typentry = lookup_type_cache(element_type, TYPECACHE_EQ_OPR_FINFO);
if (!OidIsValid(typentry->eq_opr_finfo.fn_oid))
ereport(ERROR,
(errcode(ERRCODE_UNDEFINED_FUNCTION),
errmsg("could not identify an equality operator for type %s",
format_type_be(element_type))));
my_extra->element_type = element_type;
fmgr_info_cxt(typentry->eq_opr_finfo.fn_oid, &my_extra->proc,
fcinfo->flinfo->fn_mcxt);
}
/*
* Accumulate each array position iff the element matches the given
* element.
*/
array_iterator = array_create_iterator(array, 0, my_extra);
while (array_iterate(array_iterator, &value, &isnull))
{
position += 1;
/*
* Can't look at the array element's value if it's null; but if we
* search for null, we have a hit.
*/
if (isnull || null_search)
{
if (isnull && null_search)
astate =
accumArrayResult(astate, Int32GetDatum(position), false,
INT4OID, CurrentMemoryContext);
continue;
}
/* not nulls, so run the operator */
if (DatumGetBool(FunctionCall2Coll(&my_extra->proc, collation,
searched_element, value)))
astate =
accumArrayResult(astate, Int32GetDatum(position), false,
INT4OID, CurrentMemoryContext);
}
array_free_iterator(array_iterator);
/* Avoid leaking memory when handed toasted input */
PG_FREE_IF_COPY(array, 0);
PG_RETURN_DATUM(makeArrayResult(astate, CurrentMemoryContext));
}
/*
* tuple_data_split_internal
*
* Split raw tuple data taken directly from a page into an array of bytea
* elements. This routine does a lookup on NULL values and creates array
* elements accordingly. This is a reimplementation of nocachegetattr()
* in heaptuple.c simplified for educational purposes.
*/
static Datum
tuple_data_split_internal(Oid relid, char *tupdata,
uint16 tupdata_len, uint16 t_infomask,
uint16 t_infomask2, bits8 *t_bits,
bool do_detoast)
{
ArrayBuildState *raw_attrs;
int nattrs;
int i;
int off = 0;
Relation rel;
TupleDesc tupdesc;
/* Get tuple descriptor from relation OID */
rel = relation_open(relid, NoLock);
tupdesc = CreateTupleDescCopyConstr(rel->rd_att);
relation_close(rel, NoLock);
raw_attrs = initArrayResult(BYTEAOID, CurrentMemoryContext, false);
nattrs = tupdesc->natts;
if (nattrs < (t_infomask2 & HEAP_NATTS_MASK))
ereport(ERROR,
(errcode(ERRCODE_DATA_CORRUPTED),
errmsg("number of attributes in tuple header is greater than number of attributes in tuple descriptor")));
for (i = 0; i < nattrs; i++)
{
Form_pg_attribute attr;
bool is_null;
bytea *attr_data = NULL;
attr = tupdesc->attrs[i];
is_null = (t_infomask & HEAP_HASNULL) && att_isnull(i, t_bits);
/*
* Tuple header can specify less attributes than tuple descriptor as
* ALTER TABLE ADD COLUMN without DEFAULT keyword does not actually
* change tuples in pages, so attributes with numbers greater than
* (t_infomask2 & HEAP_NATTS_MASK) should be treated as NULL.
*/
if (i >= (t_infomask2 & HEAP_NATTS_MASK))
is_null = true;
if (!is_null)
{
int len;
if (attr->attlen == -1)
{
off = att_align_pointer(off, tupdesc->attrs[i]->attalign, -1,
tupdata + off);
/*
* As VARSIZE_ANY throws an exception if it can't properly
* detect the type of external storage in macros VARTAG_SIZE,
* this check is repeated to have a nicer error handling.
*/
if (VARATT_IS_EXTERNAL(tupdata + off) &&
!VARATT_IS_EXTERNAL_ONDISK(tupdata + off) &&
!VARATT_IS_EXTERNAL_INDIRECT(tupdata + off))
ereport(ERROR,
(errcode(ERRCODE_DATA_CORRUPTED),
errmsg("first byte of varlena attribute is incorrect for attribute %d", i)));
len = VARSIZE_ANY(tupdata + off);
}
else
{
off = att_align_nominal(off, tupdesc->attrs[i]->attalign);
len = attr->attlen;
}
if (tupdata_len < off + len)
ereport(ERROR,
(errcode(ERRCODE_DATA_CORRUPTED),
errmsg("unexpected end of tuple data")));
if (attr->attlen == -1 && do_detoast)
attr_data = DatumGetByteaPCopy(tupdata + off);
else
{
attr_data = (bytea *) palloc(len + VARHDRSZ);
SET_VARSIZE(attr_data, len + VARHDRSZ);
memcpy(VARDATA(attr_data), tupdata + off, len);
}
off = att_addlength_pointer(off, tupdesc->attrs[i]->attlen,
tupdata + off);
}
raw_attrs = accumArrayResult(raw_attrs, PointerGetDatum(attr_data),
is_null, BYTEAOID, CurrentMemoryContext);
if (attr_data)
pfree(attr_data);
}
if (tupdata_len != off)
ereport(ERROR,
(errcode(ERRCODE_DATA_CORRUPTED),
errmsg("end of tuple reached without looking at all its data")));
return makeArrayResult(raw_attrs, CurrentMemoryContext);
}
/*
* Accumulate a new datum for one AO storage option.
*/
static void
accumAOStorageOpt(char *name, char *value,
ArrayBuildState *astate, bool *foundAO, bool *aovalue)
{
text *t;
bool boolval;
int intval;
StringInfoData buf;
Assert(astate);
initStringInfo(&buf);
if (pg_strcasecmp(SOPT_APPENDONLY, name) == 0)
{
if (!parse_bool(value, &boolval))
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid bool value \"%s\" for storage option \"%s\"",
value, name)));
/* "appendonly" option is explicitly specified. */
if (foundAO != NULL)
*foundAO = true;
if (aovalue != NULL)
*aovalue = boolval;
/*
* Record value of "appendonly" option as true always. Return
* the value specified by user in aovalue. Setting
* appendonly=true always in the array of datums enables us to
* reuse default_reloptions() and
* validateAppendOnlyRelOptions(). If validations are
* successful, we keep the user specified value for
* appendonly.
*/
appendStringInfo(&buf, "%s=%s", SOPT_APPENDONLY, "true");
}
else if (pg_strcasecmp(SOPT_BLOCKSIZE, name) == 0)
{
if (!parse_int(value, &intval, 0 /* unit flags */,
NULL /* hint message */))
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid integer value \"%s\" for storage option \"%s\"",
value, name)));
appendStringInfo(&buf, "%s=%d", SOPT_BLOCKSIZE, intval);
}
else if (pg_strcasecmp(SOPT_COMPTYPE, name) == 0)
{
appendStringInfo(&buf, "%s=%s", SOPT_COMPTYPE, value);
}
else if (pg_strcasecmp(SOPT_COMPLEVEL, name) == 0)
{
if (!parse_int(value, &intval, 0 /* unit flags */,
NULL /* hint message */))
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid integer value \"%s\" for storage option \"%s\"",
value, name)));
appendStringInfo(&buf, "%s=%d", SOPT_COMPLEVEL, intval);
}
else if (pg_strcasecmp(SOPT_CHECKSUM, name) == 0)
{
if (!parse_bool(value, &boolval))
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid bool value \"%s\" for storage option \"%s\"",
value, name)));
appendStringInfo(&buf, "%s=%s", SOPT_CHECKSUM, boolval ? "true" : "false");
}
else if (pg_strcasecmp(SOPT_ORIENTATION, name) == 0)
{
if ((pg_strcasecmp(value, "row") != 0) &&
(pg_strcasecmp(value, "column") != 0))
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid value \"%s\" for storage option \"%s\"",
value, name)));
}
appendStringInfo(&buf, "%s=%s", SOPT_ORIENTATION, value);
}
else
{
ereport(ERROR,
(errcode(ERRCODE_INVALID_PARAMETER_VALUE),
errmsg("invalid storage option \"%s\"", name)));
}
t = cstring_to_text(buf.data);
accumArrayResult(astate, PointerGetDatum(t), /* disnull */ false,
TEXTOID, CurrentMemoryContext);
pfree(t);
pfree(buf.data);
}
/*
* Return a datum that is array of "name=value" strings for each
* appendonly storage option in opts. This datum is used to populate
* pg_class.reloptions during relation creation.
*
* To avoid catalog bloat, we only create "name=value" item for those
* values in opts that are not specified in WITH clause and are
* different from their initial defaults.
*/
Datum
transformAOStdRdOptions(StdRdOptions *opts, Datum withOpts)
{
char *strval;
char intval[MAX_SOPT_VALUE_LEN];
Datum *withDatums = NULL;
text *t;
int len,
i,
withLen,
soptLen,
nWithOpts = 0;
ArrayType *withArr;
ArrayBuildState *astate = NULL;
bool foundAO = false,
foundBlksz = false,
foundComptype = false,
foundComplevel = false,
foundChecksum = false,
foundOrientation = false;
/*
* withOpts must be parsed to see if an option was spcified in WITH()
* clause.
*/
if (DatumGetPointer(withOpts) != NULL)
{
withArr = DatumGetArrayTypeP(withOpts);
Assert(ARR_ELEMTYPE(withArr) == TEXTOID);
deconstruct_array(withArr, TEXTOID, -1, false, 'i', &withDatums,
NULL, &nWithOpts);
/*
* Include options specified in WITH() clause in the same order as
* they are specified. Otherwise we will end up with regression
* failures due to diff with respect to answer file.
*/
for (i = 0; i < nWithOpts; ++i)
{
t = DatumGetTextP(withDatums[i]);
strval = VARDATA(t);
/*
* Text datums are usually not null terminated. We must never
* access beyond their length.
*/
withLen = VARSIZE(t) - VARHDRSZ;
/*
* withDatums[i] may not be used directly. It may be e.g.
* "aPPendOnly=tRue". Therefore we don't set it as reloptions as
* is.
*/
soptLen = strlen(SOPT_APPENDONLY);
if (withLen > soptLen &&
pg_strncasecmp(strval, SOPT_APPENDONLY, soptLen) == 0)
{
foundAO = true;
strval = opts->appendonly ? "true" : "false";
len = VARHDRSZ + strlen(SOPT_APPENDONLY) + 1 + strlen(strval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_APPENDONLY, strval);
astate = accumArrayResult(astate, PointerGetDatum(t), false,
TEXTOID, CurrentMemoryContext);
}
soptLen = strlen(SOPT_BLOCKSIZE);
if (withLen > soptLen &&
pg_strncasecmp(strval, SOPT_BLOCKSIZE, soptLen) == 0)
{
foundBlksz = true;
snprintf(intval, MAX_SOPT_VALUE_LEN, "%d", opts->blocksize);
len = VARHDRSZ + strlen(SOPT_BLOCKSIZE) + 1 + strlen(intval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_BLOCKSIZE, intval);
astate = accumArrayResult(astate, PointerGetDatum(t), false,
TEXTOID, CurrentMemoryContext);
}
soptLen = strlen(SOPT_COMPTYPE);
if (withLen > soptLen &&
pg_strncasecmp(strval, SOPT_COMPTYPE, soptLen) == 0)
{
foundComptype = true;
/*
* Record "none" as compresstype in reloptions if it was
* explicitly specified in WITH clause.
*/
strval = (opts->compresstype != NULL) ?
opts->compresstype : "none";
len = VARHDRSZ + strlen(SOPT_COMPTYPE) + 1 + strlen(strval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_COMPTYPE, strval);
astate = accumArrayResult(astate, PointerGetDatum(t), false,
TEXTOID, CurrentMemoryContext);
}
soptLen = strlen(SOPT_COMPLEVEL);
if (withLen > soptLen &&
pg_strncasecmp(strval, SOPT_COMPLEVEL, soptLen) == 0)
{
foundComplevel = true;
snprintf(intval, MAX_SOPT_VALUE_LEN, "%d", opts->compresslevel);
len = VARHDRSZ + strlen(SOPT_COMPLEVEL) + 1 + strlen(intval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_COMPLEVEL, intval);
astate = accumArrayResult(astate, PointerGetDatum(t), false,
TEXTOID, CurrentMemoryContext);
}
soptLen = strlen(SOPT_CHECKSUM);
if (withLen > soptLen &&
pg_strncasecmp(strval, SOPT_CHECKSUM, soptLen) == 0)
{
foundChecksum = true;
strval = opts->checksum ? "true" : "false";
len = VARHDRSZ + strlen(SOPT_CHECKSUM) + 1 + strlen(strval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_CHECKSUM, strval);
astate = accumArrayResult(astate, PointerGetDatum(t), false,
TEXTOID, CurrentMemoryContext);
}
soptLen = strlen(SOPT_ORIENTATION);
if (withLen > soptLen &&
pg_strncasecmp(strval, SOPT_ORIENTATION, soptLen) == 0)
{
foundOrientation = true;
strval = opts->columnstore ? "column" : "row";
len = VARHDRSZ + strlen(SOPT_ORIENTATION) + 1 + strlen(strval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_ORIENTATION, strval);
astate = accumArrayResult(astate, PointerGetDatum(t), false,
TEXTOID, CurrentMemoryContext);
}
/*
* Record fillfactor only if it's specified in WITH clause.
* Default fillfactor is assumed otherwise.
*/
soptLen = strlen(SOPT_FILLFACTOR);
if (withLen > soptLen &&
pg_strncasecmp(strval, SOPT_FILLFACTOR, soptLen) == 0)
{
snprintf(intval, MAX_SOPT_VALUE_LEN, "%d", opts->fillfactor);
len = VARHDRSZ + strlen(SOPT_FILLFACTOR) + 1 + strlen(intval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_FILLFACTOR, intval);
astate = accumArrayResult(astate, PointerGetDatum(t), false,
TEXTOID, CurrentMemoryContext);
}
}
}
/* Include options that are not defaults and not already included. */
if ((opts->appendonly != AO_DEFAULT_APPENDONLY) && !foundAO)
{
/* appendonly */
strval = opts->appendonly ? "true" : "false";
len = VARHDRSZ + strlen(SOPT_APPENDONLY) + 1 + strlen(strval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_APPENDONLY, strval);
astate = accumArrayResult(astate, PointerGetDatum(t),
false, TEXTOID,
CurrentMemoryContext);
}
if ((opts->blocksize != AO_DEFAULT_BLOCKSIZE) && !foundBlksz)
{
/* blocksize */
snprintf(intval, MAX_SOPT_VALUE_LEN, "%d", opts->blocksize);
len = VARHDRSZ + strlen(SOPT_BLOCKSIZE) + 1 + strlen(intval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_BLOCKSIZE, intval);
astate = accumArrayResult(astate, PointerGetDatum(t),
false, TEXTOID,
CurrentMemoryContext);
}
/*
* Record compression options only if compression is enabled. No need to
* check compresstype here as by the time we get here, "opts" should have
* been set by default_reloptions() correctly.
*/
if (opts->compresslevel > AO_DEFAULT_COMPRESSLEVEL &&
opts->compresstype != NULL)
{
if (!foundComptype && (
(pg_strcasecmp(opts->compresstype, AO_DEFAULT_COMPRESSTYPE) == 0
&& opts->compresslevel == 1 && !foundComplevel) ||
pg_strcasecmp(opts->compresstype,
AO_DEFAULT_COMPRESSTYPE) != 0))
{
/* compress type */
strval = opts->compresstype;
len = VARHDRSZ + strlen(SOPT_COMPTYPE) + 1 + strlen(strval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_COMPTYPE, strval);
astate = accumArrayResult(astate, PointerGetDatum(t),
false, TEXTOID,
CurrentMemoryContext);
}
/* When compression is enabled, default compresslevel is 1. */
if ((opts->compresslevel != 1) &&
!foundComplevel)
{
/* compress level */
snprintf(intval, MAX_SOPT_VALUE_LEN, "%d", opts->compresslevel);
len = VARHDRSZ + strlen(SOPT_COMPLEVEL) + 1 + strlen(intval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_COMPLEVEL, intval);
astate = accumArrayResult(astate, PointerGetDatum(t),
false, TEXTOID,
CurrentMemoryContext);
}
}
if ((opts->checksum != AO_DEFAULT_CHECKSUM) && !foundChecksum)
{
/* checksum */
strval = opts->checksum ? "true" : "false";
len = VARHDRSZ + strlen(SOPT_CHECKSUM) + 1 + strlen(strval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_CHECKSUM, strval);
astate = accumArrayResult(astate, PointerGetDatum(t),
false, TEXTOID,
CurrentMemoryContext);
}
if ((opts->columnstore != AO_DEFAULT_COLUMNSTORE) && !foundOrientation)
{
/* orientation */
strval = opts->columnstore ? "column" : "row";
len = VARHDRSZ + strlen(SOPT_ORIENTATION) + 1 + strlen(strval);
/* +1 leaves room for sprintf's trailing null */
t = (text *) palloc(len + 1);
SET_VARSIZE(t, len);
sprintf(VARDATA(t), "%s=%s", SOPT_ORIENTATION, strval);
astate = accumArrayResult(astate, PointerGetDatum(t),
false, TEXTOID,
CurrentMemoryContext);
}
return astate ?
makeArrayResult(astate, CurrentMemoryContext) :
PointerGetDatum(NULL);
}